(19)
(11) EP 2 578 021 A2

(12)

(88) Date of publication A3:
01.03.2012

(43) Date of publication:
10.04.2013 Bulletin 2013/15

(21) Application number: 11725596.8

(22) Date of filing: 06.06.2011
(51) International Patent Classification (IPC): 
H04W 48/06(2009.01)
H04W 28/02(2009.01)
(86) International application number:
PCT/US2011/039250
(87) International publication number:
WO 2011/156264 (15.12.2011 Gazette 2011/50)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 09.05.2011 US 201161484115 P
28.06.2010 US 359063 P
15.06.2010 US 354979 P
07.06.2010 US 352096 P

(71) Applicant: InterDigital Patent Holdings, Inc.
Wilmington, DE 19809 (US)

(72) Inventors:
  • WATFA, Mahmoud
    Saint Leonard Québec H1S 2B3 (CA)
  • AGHILI, Behrouz
    Commack New York 11747 (US)
  • OLVERA-HERNANDEZ, Ulises
    Kirkland Québec H9J 4A5 (CA)

(74) Representative: Forsblom, Mattias Henrik et al
AWAPATENT AB P.O. Box 45086
104 30 Stockholm
104 30 Stockholm (SE)

   


(54) METHOD AND APPARATUS FOR TRANSMITTING SERVICE REQUEST MESSAGES IN A CONGESTED NETWORK